NDLI: Cluster Power Variation Estimation for MIMO Channel Modeling in Crowded Indoor Environment

Content Provider	IEEE Xplore Digital Library
Author	Saito, K. Imai, T. Kitao, K. Okumura, Y.
Copyright Year	2014
Description	Author affiliation: NTT DOCOMO Inc., Yokosuka, Japan (Saito, K.; Imai, T.; Kitao, K.; Okumura, Y.)
Abstract	In recent years, MIMO channel models for the crowded areas such as indoor offices, shops, and outdoor hot spot environments have become a topic of great interest. In the crowded environments, the propagation paths are blocked frequently by users walking around the mobile terminal, and it causes severe shadowing and fading of channel. In this paper, to take the impact of pedestrians on the channel model into consideration, we proposed the estimation method of clusters' power variation properties from the channel sounding data. We carried out the MIMO channel sounding experiments in a cafeteria in a weekday lunch time in the 3 GHz band assuming the use of LTE based cellular systems. We estimated the propagation parameters of clusters from the measured data and estimated the cluster power variation properties. The measurement results showed that the mean cluster power varied from -11.3 dB to 1.3 dB compared to the no pedestrian environment. The mean cluster powers tended to decrease as the clusters' propagation delay increased. The cluster power variation standard deviations. ranged from 0.9 dB to 2.4 dB and the cluster power variation correlation times ranged from 0.7 sec. to 1.1 sec.
Starting Page	1
Ending Page	5
File Size	906506
Page Count	5
File Format	PDF
ISBN	9781479944491
DOI	10.1109/VTCFall.2014.6965906
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Power measurement Correlation Channel models Estimation Shadow mapping Propagation delay
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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